Abu Sa'id and Abu Hurairah (May Allah be pleased with them) reported:
The Messenger of Allah (ﷺ) said, "When a man awakens his wife during the night and they both perform two Rak'ah Salat together, they are recorded among the men and women who celebrate remembrance of Allah."[Abu Dawud].
App reference: Book 9, Hadith 194
Arabic/English book reference: Book 9, Hadith 1184